27 Casinovations + Lady GaGa's "Poker Face"

Who knew we were so obsessed with gambling? In 2007, gaming revenue to Las Vegas alone was $8.4 billion, according to the Las Vegas Convention and Visitors Authority. It's become so prevalent that even Harvard professors are singing gambling's praises. New machines and games come out every year to woo our hard-earned dollars out of our pockets and into casino coffers.

The online casino has also experienced quite a bit of development. Even Game Boy Advance now has a Texas Hold 'Em game to target kids.